256696020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1151}}^1$

素因数の和:1235

約数の個数: 192

約数和(自身を含む): 928972800

約数和(自身を除く): 672276780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 59, 60, 63, 70, 84, 90, 105, 108, 118, 126, 135, 140, 177, 180, 189, 210, 236, 252, 270, 295, 315, 354, 378, 413, 420, 531, 540, 590, 630, 708, 756, 826, 885, 945, 1062, 1151, 1180, 1239, 1260, 1593, 1652, 1770, 1890, 2065, 2124, 2302, 2478, 2655, 3186, 3453, 3540, 3717, 3780, 4130, 4604, 4956, 5310, 5755, 6195, 6372, 6906, 7434, 7965, 8057, 8260, 10359, 10620, 11151, 11510, 12390, 13812, 14868, 15930, 16114, 17265, 18585, 20718, 22302, 23020, 24171, 24780, 31077, 31860, 32228, 34530, 37170, 40285, 41436, 44604, 48342, 51795, 55755, 62154, 67909, 69060, 72513, 74340, 80570, 96684, 103590, 111510, 120855, 124308, 135818, 145026, 155385, 161140, 203727, 207180, 217539, 223020, 241710, 271636, 290052, 310770, 339545, 362565, 407454, 435078, 475363, 483420, 611181, 621540, 679090, 725130, 814908, 870156, 950726, 1018635, 1087695, 1222362, 1358180, 1426089, 1450260, 1833543, 1901452, 2037270, 2175390, 2376815, 2444724, 2852178, 3055905, 3667086, 4074540, 4278267, 4350780, 4753630, 5704356, 6111810, 7130445, 7334172, 8556534, 9167715, 9507260, 12223620, 12834801, 14260890, 17113068, 18335430, 21391335, 25669602, 28521780, 36670860, 42782670, 51339204, 64174005, 85565340, 128348010, 256696020]

約数ペア:

[(1, 256696020), (2, 128348010), (3, 85565340), (4, 64174005), (5, 51339204), (6, 42782670), (7, 36670860), (9, 28521780), (10, 25669602), (12, 21391335), (14, 18335430), (15, 17113068), (18, 14260890), (20, 12834801), (21, 12223620), (27, 9507260), (28, 9167715), (30, 8556534), (35, 7334172), (36, 7130445), (42, 6111810), (45, 5704356), (54, 4753630), (59, 4350780), (60, 4278267), (63, 4074540), (70, 3667086), (84, 3055905), (90, 2852178), (105, 2444724), (108, 2376815), (118, 2175390), (126, 2037270), (135, 1901452), (140, 1833543), (177, 1450260), (180, 1426089), (189, 1358180), (210, 1222362), (236, 1087695), (252, 1018635), (270, 950726), (295, 870156), (315, 814908), (354, 725130), (378, 679090), (413, 621540), (420, 611181), (531, 483420), (540, 475363), (590, 435078), (630, 407454), (708, 362565), (756, 339545), (826, 310770), (885, 290052), (945, 271636), (1062, 241710), (1151, 223020), (1180, 217539), (1239, 207180), (1260, 203727), (1593, 161140), (1652, 155385), (1770, 145026), (1890, 135818), (2065, 124308), (2124, 120855), (2302, 111510), (2478, 103590), (2655, 96684), (3186, 80570), (3453, 74340), (3540, 72513), (3717, 69060), (3780, 67909), (4130, 62154), (4604, 55755), (4956, 51795), (5310, 48342), (5755, 44604), (6195, 41436), (6372, 40285), (6906, 37170), (7434, 34530), (7965, 32228), (8057, 31860), (8260, 31077), (10359, 24780), (10620, 24171), (11151, 23020), (11510, 22302), (12390, 20718), (13812, 18585), (14868, 17265), (15930, 16114)]